Timer mounting



Get. 23, i934.

G. J. LANG ET AL TIMER MOUNTING Filed 001'.. 6, 1932 2 Sheets-Sheet 1 1.50, /j i///// Y ATTORNEY G. J. LANG Er AL TIMER MOUNTING Filed oct. s, 1932 2 Sheets-Sheet 2 20 form of our timer;

Patented Oct. 23. 1934 y MoUNrxNo Lanz Longmeadow.

` esame 'JJ and Jaim F.

Marum springnela, Mass., signore-momma- 'l `American Bosclr ,Co

rporation, I Springiield,

This invention l relatesv to' improvements T in;

timers and particularly to timers,` for controlling' cent the bearing 9 a cam 20 which extends 'into thecasing '.and-has-securedtoits inner end the ignition of explosive charges inthe power chambers of' internal combustion 'engines. 5 An object. of the invention iste provide a timer comprising 'aninterrupter or circuiti breaker, a. distributor, an,d acoil'casing having animproyedl mounting bywhich ,the'parts ofthe timer caribe assembled and easily attached tothe body 4oftheV engine O n which it is to be usedi Other objects and yalvazitages' of the invention are set forth in the ensuing description and the `novel features are'pointed'out in'the appended claims; and we'oi course -re's'erve the right' tomake changes' in'fdetaus that` do' not depart from .the

spirit of the invention 4Vor exceed the of the termsin 'whichthe claims are expressed. 4On the drawingsj'j Fig. 1 is alongitu section showing vone Figs. 2 and 3 are 'similarviews showing otherv 'forms or embodiments;

Fig. 4 Eis a frontviewof thecircuitbreakerfof .Y

` willextend 4to the ,end of the lever 34 carrying the movable contact; serving both to connect said 80 contactto the primary coil and to hold the lever thetixnen The saine numeralsl identify' the. same throughout.

`Referring rst to Fig. l, we 'show at 1 a cover,-4 usually of cast metal, for. the gear case ofan internal combustion engine'. 'Ihis cover or,sup. port carries the mounting f rour 'ti mer`f whieh,

comprises a housing 2 of aluminum or any other Asuitable material. On the top of the housingis a casing 310x' the ignition coil, and on the outer end of the housing a distributor casing 4.- Within the housing and abutting the cover 1 is a cast-iron casing 5 having at one end a bearing 6 which projects into the central opening 7 in the cover 1 to enable the timer shaft 8 to be connected to the gear shaft and be driven thereby. The casing 5 terminates short of the front end of the housing 2; and within the front end of said housing is another bearing 9 for the shaft 8, this bearing being supported by a transverse web or the like 10. The shaft 8 projects into the distributor casing 4 and on said shaft in the casing 4 is the distributor rotor 11 of insulation to which is attached a spring brush 12. This brush makes contact with 'a'.y terminal 13 in the casing 4 connected by a conductor 14 to the high tension terminal 15 of the secondary coil in the casing 3. 'I'he rotor 11 also carries a brush 16 aillxed, with the brush 12, to the rotor by rivet 17 and this brush comes into circuit closing position successively with the terminals 18 o1' the distributor, which are Joined by conductors, not shown, inserted at their ends intoopenings. 19, to the sparkplugs ofthe engine. 'I'he shaft i3-.carries rWithin therhousing 2 adjathin saidcasing, a plate 21,` Within this caso in'g, is another plate 22'rigid with the shaft 8 and 23 are governor,weightsjoinedby.pivot pins 2 4 to the plate -21 and'carryingstuds. 25 which project intojsuitably s hapedopenings 26 inthe plate 22.

' At the front oropen' end of the casing 5 isafiange 65 27 .providing `a shoulder to engage a closureplate 28y perforated inathemiddle for the shaft 8 and cam 20, and onthis p lateiis an insulating stud29 secured by rivet 30;. and on the stud 29 is a spring 31 connected by a spiral conductor 32 to the pri- 7 0 mary coil in the casing 3, theotherterminals of the primary and secondary coils being grounded. mixed to the plate 28 also is a pivot stud 33 c arthehub o f a breaker 1ever 34 which operates a movable contact point to engage and disengagea rflxedcontact pointto open and close the primary circuit'when the lever 34 is operated bythe .cam 20. 'I'he spring 31 will be leaf-shaped and it in circuit breaking position.A Thesedetails. of construction are not part of this invention and are well-known in this art. Theylare shown, however, in Fig.- 4 Whichillustrates V the timer 85 partsiniront elevation. Asthis gure illustrates, we may use two rivets 30 for the stud 29, andthe pivot of the breaker lever may be located inany vsuitable relative position with respect tothis insulating stud;l being either diametrically oppo site the same-as indicated in Fig. 1 or closer as indicated in Fig. 4.

The web 10 may have a sight opening 35 therein to permitinspection of the breaker contact points and the interrupter vplate 28 may be held in place by a spring ring 36 having an inside groove in the casing 5 to hold the plate against the flange 27. 'I'he casing 5 abuts a shoulder 37 in the housing 2 and at its opposite end it ts into a recess in the cover 1, the bottom of this recess being shown at 38 andthe side 39 enveloping the casing 5. At the top 40 the housing 2 is ilat to enable the casing 3 to rest thereon and it has an opening 41 through which the conductor 32 enters the housing. The casing 5 may have an oil drain 42 which enters through a recess in the lower part of the housing 2 in the cover 1, and at 43 and 44 are oil retaining rings surrounding the bearing 6 and shaft 8.

Withthis construction it is obvious that the 1l() parts can be very easily assembled. The casing 5 receives the shaft 8 and governor through the open front and then the interrupter plate 28 is inserted into the casing 5 and the entire casing is then disposed in the housing 2. Next the distributor casing 4 and the coil casing 3 are attached and all the connections are readily made. The housing is secured to the cover 1 by means of screws or bolts engaging a suitable projection, not shown, on its periphery near the end which enters the recess in the cover 1.

In the form shown in Fig. 2, the casing 5 is dispensed with and the housing 2 carries the bearing 6 for the shaft. Surrounding said bearing is a projection 45 which ts into the recess in the cover l. At the front of the housing 2 the bearing 9 is carried by a plate 10a which fits against a shoulder 37a. The housing also contains another inside shoulder 27a against which the interrupter plate 28 abuts.

In the form shown in Fig. 3, the construction is similar to what is illustrated in Fig. 2 except that the cover 1 and housing 2a are cast or otherwise formed in one piece so that the bearing 6 is integral with the cover and the housing 2a projects from the cover and receives at its outer end the plate 10a as before. In both forms of the invention shown in Figs. 2 and 3, the shaft 8 with the governor and cam thereon is inserted through the outer end of the housing until the inner end of the shaft engages the bearing 6. Then the plate 28 is put in place, the plate 10a is inserted and the casings 3 and 4 are added.

The above mounting supports the parts of the timer in a very practical manner and effectively encloses and seals the inside moving parts. It is strong and durable in construction and can be produced at little cost and securely protects the timer against dust and the risk of impairment and damage from other causes.

Having described the invention, what is claimed is:

1. A timer mounting comprising a supporting cover, a housing to be affixed to said cover, the housing having a fiat top, a coil casing resting on said top, a distributor case secured to the front of the housing, a casing within the housing, said casing having a bearing at one end, a shaft in the bearing, a plate secured in the other end of the casing within the housing, and a bearing carried within the housing adjacent the front thereof for said shaft.

2. A mounting for a timer comprising a gear cover, a housing attached thereto and supported thereby, said housing having a bearing and the cover having an opening to receive said bearing, the cover also having a seat surrounding said opening, and the adjacent end of the housing having a projection engaging said seat, a coil casing on the top of the housing, a distributor casing carried by the front of the housing and a bearing plate detachably mounted in the front` of the housing.

3. A mounting for a timer comprising a gear case cover, a housing integral therewith and projecting from the outside thereof, said cover having a centra bearing, a detachable bearing plate within the housing near the outer end thereof to enable a shaft to be supported therein and in the first-named bearing, a coil casing in the top of the housing and a distributor casing secured to and enclosing the front end of the housing.

4. A timer mounting comprising a housing, a distributor casing carried thereby, a shaft in the housing, a rotor on said shaft, a circuit breaker plate in the housing surrounding the shaft, and a bearing for the shaft in the housing between the rotor and said plate.

' 5. A timer comprising a support, a housing carried by the support and projecting therefrom, the timer having a central bearing at the support, a bearing plate within the housing near the outer end thereof, a shaft in said bearings, a distributor casing at the outer end of the housing and a rotor in said casing mounted on said shaft.

6. A mounting for a timer comprising a support, a housing on the support, said timer having a central bearing at the support, a plate within the housing' adjacent the outer end thereof andA carrying a second bearing, a shaft in said bearings, an interrupter 'plate between said bearings, a coil on the housing and a conductor connected to the coil and entering said housing at a point adjacent said interrupter plate.

7. A mounting for a timer comprising a support, a housing on the support, said timer having a central bearing at the support, a plate within the housing adjacent the outer end thereof and carrying a second bearing, a shaft in said bearings, an interrupter plate between said bearings, a coil on the housing, a conductor connected to the coil and entering said housing at a point adjacent said interrupter plate, a distributor casing on the outer end of the housing and a rotor in said casing carried by said shaft.

GUSTAVE J. LANG. JOHN F. MARTIN. 

